org.apache.accumulo.core.zookeeper
Class ZooUtil

java.lang.Object
  org.apache.accumulo.core.zookeeper.ZooUtil

public class ZooUtil
extends java.lang.Object

Nested Class Summary

static class	ZooUtil.NodeExistsPolicy
static class	ZooUtil.NodeMissingPolicy

Constructor Summary

ZooUtil()

Method Summary

static boolean	exists(java.lang.String zPath)
static boolean	exists(org.apache.zookeeper.ZooKeeper zk, java.lang.String zPath)
static byte[]	getData(java.lang.String zPath, org.apache.zookeeper.data.Stat stat)
static byte[]	getData(org.apache.zookeeper.ZooKeeper zk, java.lang.String zPath, org.apache.zookeeper.data.Stat stat)
static java.lang.String	getRoot(Instance instance)
static java.lang.String	getRoot(java.lang.String instanceId)
static org.apache.zookeeper.data.Stat	getStatus(java.lang.String zPath)
static org.apache.zookeeper.data.Stat	getStatus(org.apache.zookeeper.ZooKeeper zk, java.lang.String zPath)
static boolean	putPersistentData(java.lang.String zPath, byte[] data, int version, ZooUtil.NodeExistsPolicy policy)
static boolean	putPersistentData(java.lang.String zPath, byte[] data, ZooUtil.NodeExistsPolicy policy) Create a persistent node with the default ACL
static boolean	putPersistentData(org.apache.zookeeper.ZooKeeper zk, java.lang.String zPath, byte[] data, int version, ZooUtil.NodeExistsPolicy policy)
static boolean	putPersistentData(org.apache.zookeeper.ZooKeeper zk, java.lang.String zPath, byte[] data, ZooUtil.NodeExistsPolicy policy) Create a persistent node with the default ACL
static void	recursiveCopyPersistent(java.lang.String source, java.lang.String destination, ZooUtil.NodeExistsPolicy policy)
static void	recursiveCopyPersistent(org.apache.zookeeper.ZooKeeper zk, java.lang.String source, java.lang.String destination, ZooUtil.NodeExistsPolicy policy)
static void	recursiveDelete(java.lang.String zPath, ZooUtil.NodeMissingPolicy policy) This method will delete a node and all its children from zookeeper
static void	recursiveDelete(org.apache.zookeeper.ZooKeeper zk, java.lang.String zPath, ZooUtil.NodeMissingPolicy policy)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ZooUtil

public ZooUtil()

Method Detail

recursiveDelete

public static void recursiveDelete(java.lang.String zPath,
                                   ZooUtil.NodeMissingPolicy policy)
                            throws org.apache.zookeeper.KeeperException,
                                   java.lang.InterruptedException

This method will delete a node and all its children from zookeeper

Parameters:

zPath - the path to delete

Throws:

org.apache.zookeeper.KeeperException

java.lang.InterruptedException

recursiveDelete

public static void recursiveDelete(org.apache.zookeeper.ZooKeeper zk,
                                   java.lang.String zPath,
                                   ZooUtil.NodeMissingPolicy policy)
                            throws org.apache.zookeeper.KeeperException,
                                   java.lang.InterruptedException

Throws:

org.apache.zookeeper.KeeperException

java.lang.InterruptedException

putPersistentData

public static boolean putPersistentData(java.lang.String zPath,
                                        byte[] data,
                                        ZooUtil.NodeExistsPolicy policy)
                                 throws org.apache.zookeeper.KeeperException,
                                        java.lang.InterruptedException

Create a persistent node with the default ACL

Returns:

true if the node was created or altered; false if it was skipped

Throws:

org.apache.zookeeper.KeeperException

java.lang.InterruptedException

putPersistentData

public static boolean putPersistentData(java.lang.String zPath,
                                        byte[] data,
                                        int version,
                                        ZooUtil.NodeExistsPolicy policy)
                                 throws org.apache.zookeeper.KeeperException,
                                        java.lang.InterruptedException

Throws:

org.apache.zookeeper.KeeperException

java.lang.InterruptedException

putPersistentData

public static boolean putPersistentData(org.apache.zookeeper.ZooKeeper zk,
                                        java.lang.String zPath,
                                        byte[] data,
                                        ZooUtil.NodeExistsPolicy policy)
                                 throws org.apache.zookeeper.KeeperException,
                                        java.lang.InterruptedException

Create a persistent node with the default ACL

Returns:

true if the node was created or altered; false if it was skipped

Throws:

org.apache.zookeeper.KeeperException

java.lang.InterruptedException

putPersistentData

public static boolean putPersistentData(org.apache.zookeeper.ZooKeeper zk,
                                        java.lang.String zPath,
                                        byte[] data,
                                        int version,
                                        ZooUtil.NodeExistsPolicy policy)
                                 throws org.apache.zookeeper.KeeperException,
                                        java.lang.InterruptedException

Throws:

org.apache.zookeeper.KeeperException

java.lang.InterruptedException

getData

public static byte[] getData(org.apache.zookeeper.ZooKeeper zk,
                             java.lang.String zPath,
                             org.apache.zookeeper.data.Stat stat)
                      throws org.apache.zookeeper.KeeperException,
                             java.lang.InterruptedException

Throws:

org.apache.zookeeper.KeeperException

java.lang.InterruptedException

getData

public static byte[] getData(java.lang.String zPath,
                             org.apache.zookeeper.data.Stat stat)
                      throws org.apache.zookeeper.KeeperException,
                             java.lang.InterruptedException

Throws:

org.apache.zookeeper.KeeperException

java.lang.InterruptedException

getStatus

public static org.apache.zookeeper.data.Stat getStatus(java.lang.String zPath)
                                                throws org.apache.zookeeper.KeeperException,
                                                       java.lang.InterruptedException

Throws:

org.apache.zookeeper.KeeperException

java.lang.InterruptedException

getStatus

public static org.apache.zookeeper.data.Stat getStatus(org.apache.zookeeper.ZooKeeper zk,
                                                       java.lang.String zPath)
                                                throws org.apache.zookeeper.KeeperException,
                                                       java.lang.InterruptedException

Throws:

org.apache.zookeeper.KeeperException

java.lang.InterruptedException

exists

public static boolean exists(java.lang.String zPath)
                      throws org.apache.zookeeper.KeeperException,
                             java.lang.InterruptedException

Throws:

org.apache.zookeeper.KeeperException

java.lang.InterruptedException

exists

public static boolean exists(org.apache.zookeeper.ZooKeeper zk,
                             java.lang.String zPath)
                      throws org.apache.zookeeper.KeeperException,
                             java.lang.InterruptedException

Throws:

org.apache.zookeeper.KeeperException

java.lang.InterruptedException

recursiveCopyPersistent

public static void recursiveCopyPersistent(java.lang.String source,
                                           java.lang.String destination,
                                           ZooUtil.NodeExistsPolicy policy)
                                    throws org.apache.zookeeper.KeeperException,
                                           java.lang.InterruptedException

Throws:

org.apache.zookeeper.KeeperException

java.lang.InterruptedException

recursiveCopyPersistent

public static void recursiveCopyPersistent(org.apache.zookeeper.ZooKeeper zk,
                                           java.lang.String source,
                                           java.lang.String destination,
                                           ZooUtil.NodeExistsPolicy policy)
                                    throws org.apache.zookeeper.KeeperException,
                                           java.lang.InterruptedException

Throws:

org.apache.zookeeper.KeeperException

java.lang.InterruptedException

getRoot

public static java.lang.String getRoot(Instance instance)

getRoot

public static java.lang.String getRoot(java.lang.String instanceId)